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Improving Eggshell Quality in Laying Hens

The benefits of Tecnoshell, a blend of synergistic ingredients based on plant extracts, calcium pidolate, vitamin and minerals.

Published on 01/04/2026

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Clarisse Techer, Mixscience

Eggshell quality is crucial in both table-egg and breeder industries, as it protects the egg from physical damage and microbial contamination. As hens age, the structure and size of shell crystals change, leading to a higher incidence of downgraded eggs, such as broken, cracked, soft, or discolored eggs. This not only reduces the number of marketable eggs but also increases the risk of contamination and affects chick quality, ultimately impacting farm profitability.

 

The Role of Calcium in Eggshell Formation

Eggshells are formed in the uterus through a process called biomineralization, requiring calcium and carbonate ions. While hens obtain calcium from their diet, 30–40% of the calcium used in shell formation actually comes from their bones, especially since shell formation occurs at night, after feeding. This metabolic demand can compromise bone health and increase the risk of eggshell defects.

 

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